IW4M-Admin/Plugins/Stats/Cheat/Strain.cs
RaidMax c5375b661b huge commit for advanced stats feature.
broke data out into its own library.
may be breaking changes with existing plugins
2021-03-22 11:09:25 -05:00

46 lines
1.4 KiB
C#

using SharedLibraryCore;
using System;
using Data.Models;
namespace IW4MAdmin.Plugins.Stats.Cheat
{
class Strain
{
private const double StrainDecayBase = 0.9;
private double CurrentStrain;
public double LastDistance { get; private set; }
public Vector3 LastAngle { get; private set; }
public double LastDeltaTime { get; private set; }
public double GetStrain(double killDistance, Vector3 newAngle, double deltaTime)
{
if (LastAngle == null)
LastAngle = newAngle;
LastDeltaTime = deltaTime;
double decayFactor = GetDecay(deltaTime);
CurrentStrain *= decayFactor;
double[] distance = Utilities.AngleStuff(newAngle, LastAngle);
LastDistance = distance[0] + distance[1];
// this happens on first kill
if ((distance[0] == 0 && distance[1] == 0) ||
deltaTime == 0 ||
double.IsNaN(CurrentStrain))
{
return CurrentStrain;
}
double newStrain = Math.Pow(LastDistance, 0.99) / deltaTime;
newStrain *= killDistance / 1000.0;
CurrentStrain += newStrain;
LastAngle = newAngle;
return CurrentStrain;
}
private double GetDecay(double deltaTime) => Math.Pow(StrainDecayBase, Math.Pow(2.0, deltaTime / 250.0) / 1000.0);
}
}